Describe a health promotion model used to initiate behavioral changes. How does this model help in teaching behavioral changes?

 Describe a health promotion model used to initiate behavioral changes. How does this model help in teaching behavioral changes? What are some of the barriers that affect a patient's ability to learn? How does a patient's readiness to learn, or readiness to change, affect learning outcomes?  

At least 200 words with 3 references including in-text citations required following APA 2007 style